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地效飞行器是一种利用地面效应原理飞行的运载工具。通常,地效飞行器机身对称断阶着水时的水动力载荷对机身的作用力最大。所以,准确地掌握船体的着水载荷,对于减轻机身结构的重量有着重要作用。本文采用数值计算方法,得到了某型号地效飞行器对称断阶着水过程中重心处过载系数,以及机身底部蒙皮上的压力分布规律。该结果与地效飞行器设计规范得到的结果相符合,并且计算方法和结果可用于指导具体的地效飞行器型号结构设计。
Ground-effect vehicle is a ground using the principle of flying vehicles. In general, the hydrodynamic load of the aircraft of the ground-effect aircraft is symmetrical and the maximum force is exerted on the fuselage. Therefore, accurately grasp the water load on the hull, to reduce the weight of the fuselage structure has an important role. In this paper, the numerical calculation method is used to obtain the overload coefficient at the center of gravity and the pressure distribution on the bottom of the fuselage of a ground-based aircraft. This result is in line with the results obtained by the design of a ground-based aircraft and the calculation methods and results can be used to guide the design of a specific ground-effect aircraft model.